Geometry Vocab Crossword

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Across
  1. 1. two sides on a triangle that are equal
  2. 3. points that are on the same plane
  3. 4. 4 sides equal to each other, 4 90-degree angled
  4. 6. a shape with 9 sides
  5. 8. a shape with 7 sides
  6. 10. the endpoints are on the diameter (half a circle)
  7. 12. two things that add up to 180
  8. 15. a line that intersects at a midpoint (2 equal parts)
  9. 17. angles directly across from one another that equal each other
  10. 19. a triangle with all equal angles
  11. 20. the measure around the object
  12. 23. the math that deals with lines, points, and shapes
  13. 24. an arc greater than 180 and uses 3 letters
  14. 25. a shape with 10 sides
  15. 26. two lines that never cross or touch one another
  16. 32. points that are on the same line
  17. 33. 2 lines that cross at 90 degrees
  18. 35. greater than 90 degrees
  19. 38. a line with two endpoints
  20. 39. equal to one another
  21. 40. a shape with 8 sides
  22. 41. rise/run
  23. 42. less than 90 degrees
  24. 44. in the middle of a line
  25. 47. the formulas used to find this are 2πr or πd
  26. 48. 2 or more points that continue infinitely in both directions.
Down
  1. 2. an angle that is exactly 180 degrees
  2. 5. a triangle with all equal sides
  3. 7. 2 rays that cross at their endpoints
  4. 9. a shape with 5 sides
  5. 11. an angle that is in the middle of the circle
  6. 13. theorem used for a right triangle (A^2 + B^2 = C^2)
  7. 14. 2 times the radius
  8. 16. a line segment that has two points on the circle
  9. 18. an arc less than 180 and uses 2 letters
  10. 20. a quadrilateral with both pairs of sides are parallel
  11. 21. a triangle with no equal sides
  12. 22. half of the diameter
  13. 27. intersection of two rays
  14. 28. angles that have the same vertex and share a side
  15. 29. a shape with 6 sides
  16. 30. a flat surface that has 3 or more points and extends indefinitely in all directions
  17. 31. the shape that 3 angles that add up to 180 degrees
  18. 32. two things that add up to 90
  19. 34. the info you already have when doing proofs (1st box always)
  20. 36. inches, centimeters are examples of what?
  21. 37. 90 degrees
  22. 43. a line that goes through a circle twice
  23. 45. the vertex is on the circle
  24. 46. where the two rays meet, the middle letter of an angle